From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#36372: 27.0.50; replace-regexp-in-string skips START first chars in return value Date: Tue, 25 Jun 2019 18:26:22 +0300 Message-ID: <83tvcdlm8x.fsf@gnu.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="263871"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 36372@debbugs.gnu.org To: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jun 25 17:28:10 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hfnMf-0016Up-Jk for geb-bug-gnu-emacs@m.gmane.org; Tue, 25 Jun 2019 17:28:09 +0200 Original-Received: from localhost ([::1]:33098 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hfnMe-0003Xy-IQ for geb-bug-gnu-emacs@m.gmane.org; Tue, 25 Jun 2019 11:28:08 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59969) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hfnLl-0003WW-7x for bug-gnu-emacs@gnu.org; Tue, 25 Jun 2019 11:27:15 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hfnLf-0007dW-KN for bug-gnu-emacs@gnu.org; Tue, 25 Jun 2019 11:27:09 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:47927) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hfnLa-0007as-MC for bug-gnu-emacs@gnu.org; Tue, 25 Jun 2019 11:27:05 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hfnLa-0006PO-HX for bug-gnu-emacs@gnu.org; Tue, 25 Jun 2019 11:27:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 25 Jun 2019 15:27:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 36372 X-GNU-PR-Package: emacs Original-Received: via spool by 36372-submit@debbugs.gnu.org id=B36372.156147638924571 (code B ref 36372); Tue, 25 Jun 2019 15:27:02 +0000 Original-Received: (at 36372) by debbugs.gnu.org; 25 Jun 2019 15:26:29 +0000 Original-Received: from localhost ([127.0.0.1]:33233 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hfnL3-0006OF-CN for submit@debbugs.gnu.org; Tue, 25 Jun 2019 11:26:29 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:53914) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hfnL1-0006O3-VA for 36372@debbugs.gnu.org; Tue, 25 Jun 2019 11:26:28 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:59915) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hfnKw-00077i-27; Tue, 25 Jun 2019 11:26:22 -0400 Original-Received: from [176.228.60.248] (port=3059 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1hfnKv-0001Ru-Ak; Tue, 25 Jun 2019 11:26:21 -0400 In-reply-to: (message from Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= on Tue, 25 Jun 2019 14:01:49 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:161380 Archived-At: > From: Mattias Engdegård > Date: Tue, 25 Jun 2019 14:01:49 +0200 > > (replace-regexp-in-string "a" "X" "abcab" t t nil 2) > > would be expected to return > > "abcXb" > > but the actual return value is > > "cXb" > > This was probably not intended. The manual text is > > This function copies STRING and searches it for matches for REGEXP, > and replaces them with REP. It returns the modified copy. If > START is non-‘nil’, the search for matches starts at that index in > STRING, so matches starting before that index are not changed. > > The question is whether it is too late to fix the bug, or if it needs to be documented. Both, I think ;-) Thanks.